While it doesn't appear in the Van Buren tech demo, it is still present in the game files and can be spawned with the console commandCreateEntity Weapons22_Autoloader.wea.

While the modified variant also doesn't appear in the Van Buren tech demo, it is still present in the game files and can be spawned with the console commands CreateEntity Weapons22_Autoloader_wSilencer.wea, but remains a non-functional weapon.